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Trapper "Python Dave" Leibman holds a roll of snake skins he is selling at the Python Challenge kick-off in Davie, Fla. Saturday, Jan. 12, 2013. Roughly 2,050 pythons have been harvested in Florida since 2000, according to the conservation commission. It’s unknown exactly how many are slithering through the wetlands. (AP Photo/J Pat Carter)

Trapper "Python Dave" Leibman holds a roll of snake skins he is selling at the Python Challenge kick-off in Davie, Fla. Saturday, Jan. 12, 2013. Roughly 2,050 pythons have been harvested in Florida since 2000, according to the conservation commission. It’s unknown exactly how many are slithering through the wetlands. (AP Photo/J Pat Carter)